6-125. The beam is made from three types of plastic that are identified and have the moduli of elasticity shown in the figure. Determine the maximum bending stress in the PVC. 500 lb 500 Ib PVC EpvC = 450 ksi Escon E = 160 ksi %3D -Bakelite En = 800 ksi -- 3 ft 3 ft- 4 ft I in. 2 in. 2 in. 3 in.

6-125. The beam is made from three types of plastic that are identified and have the moduli of elasticity shown in the figure. Determine the maximum bending stress in the PVC. 500 lb 500 Ib PVC EpvC = 450 ksi Escon E = 160 ksi %3D -Bakelite En = 800 ksi -- 3 ft 3 ft- 4 ft I in. 2 in. 2 in. 3 in.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.10.17P

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Concept explainers

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.

Question

6-125. The beam is made from three types of plastic that
are identified and have the moduli of elasticity shown in
the figure. Determine the maximum bending stress in the
PVC.
500 lb
500 Ib
PVC EPVC= 450 ksi
Escon E = 160 ksi
%3D
Bakelite E = 800 ksi
E-3 ft
4 ft
3 ft
I in.
2 in.
2 in.
3 in.

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